System
7.3 PLC diagnosis represented as a ladder diagram
7-117
SINUMERIK 802D sl Operation and Programming Nibbling (BP-N), 06/2006 Edition
6FC5 398-3CP10-0BA0
Fig. 7-49 The “Cross references” main menu (symbolic)
(absolute)
You can open the appropriate program segment directly in the 1/2 window using the <Open
in Window 1/2 > function.
Depending on the active type of representation, the elements are displayed either with abso-
lute or symbolic identifiers.
If no symbol exists for an identifier, the description is automatically absolute.
The type of representation of identifiers is displayed in the status bar. The absolute repre-
sentation of identifiers is set by default.
The operand selected from the list of cross references is opened in the appropriate window.
Example:
You want to view the logic interrelation of the absolute operand M251.0 in network 1 in pro-
gram block OB1.
After the operand has been selected from the cross-reference list and the <Open in Win-
dow 1 > softkey has been actuated, the appropriate program section is displayed in window
1.
Fig. 7-50 Cursor “M251.0 in OB1 network 2) M251.0 in OB1 network 2 in window 1
... is used to search for operands in the list of cross references
You can search for the operands as whole words (identifiers). When searching, uppercase
and lowercase letters are ignored.
Symbol.
address
Absolute
address
Open in
window 1
Open in
window 2
Find
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